diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml b/Documentation/devicetree/bindings/mfd/syscon.yaml
index f3fba860d3cc..614e58bb5d7d 100644
--- a/Documentation/devicetree/bindings/mfd/syscon.yaml
+++ b/Documentation/devicetree/bindings/mfd/syscon.yaml
@@ -39,6 +39,7 @@ properties:
               - allwinner,sun8i-v3s-system-controller
               - allwinner,sun50i-a64-system-controller
               - microchip,sparx5-cpu-syscon
+              - mstar,msc313-pmsleep
 
           - const: syscon